Kružni vijenac - opseg i površina

Quiz
•
Education
•
7th Grade
•
Medium
Marković Kristina
Used 5+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kružni vijenac
je dio ravnine omeđen kružnicom.
je dio ravnine između dvije koncentrične kružnice.
čine dvije konventrične kružnice.
čine dva koncentrična kruga.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koje su sličnosti i razlike između kružnog vijenca i kruga?
Kružni vijenac je kvadratnog oblika, dok je krug kružnog oblika.
Kružni vijenac se dobiva iz kruga odsijecanjem manjeg kruga unutar njega, dok je krug oblik koji nema dodatne praznine unutar sebe.
Kružni vijenac se koristi u geometriji, dok krug nije geometrijski oblik.
Kružni vijenac ima pravilne bridove, dok krug ima nepravilne bridove.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kako se izračunava opseg kružnog vijenca?
O = π(R+r)
O = 2π(R+r)
O = R+r
O = 2(R+r)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kako se izračunava površina kružnog vijenca?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koliki je opseg kružnog vijenca čiji veliki polumjer iznosi 9 cm, a manji 5 cm?
4π
14π
8π
28π
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koliki je opseg kružnog vijenca čiji veliki promjer duljine 15 cm, a manji 8 cm?
23π
7π
46π
14π
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kolika je površina kružnog vijenca čiji veliki promjer duljine 20 cm, a manji 8 cm?
28π
84π
464π
116π
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kolika je površina kružnog vijenca čiji veliki polumjer duljine 10 cm, a manji 8 cm?
18π
9π
164π
36π
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